user
Write a response that appropriately completes the request.

### Instruction:
Answer the following question. What is the purpose of the  United Nations?

### Response:
assistant
The purpose of the United Nations is to maintain international peace and security, develop friendly relations among nations, achieve international cooperation in solving international problems, and be a center for harmonizing the actions of nations. 

The United Nations is also the cornerstone of the multilateral system, providing a forum for international diplomacy, negotiating global agreements, addressing global challenges, setting international standards and promoting international justice.